题目

（08重庆一中一模）下列有关化学反应过程或实验现象的解释正确的是（）A. Cl2的水溶液能导电，说明Cl2是电解质B. 浓硫酸能干燥CO气体，因而CO无还原性C. CaCl2为中性干燥剂，故可干燥NH3D. 因为O2转化为O3是吸热反应，所以O2比O3稳定 答案：答案：DJackson’s Clothing StoreClothesColorPriceshoeswhite, blue￥49trousersblack￥75skirtred, white￥68T-shirtred, green, black￥80hatblack, red￥261.Which is the cheapest（最便宜的）in Jackson’s Clothing Store?A. A skirt. B. A T- shirt. C. A hat. D. Trousers.2.How much are two skirts and three hats?A. ￥88. B. ￥120. C. ￥188. D. ￥2143.In the store you can buy_____?A. black trousers B. a blue skirt C. a green hat D. white T-shirts4.You like red and you have 52 yuan. You can take _____.A. a skirt B. a pairs of shoes C. a T-shirt D. two hats5.You have 100 yuan. You can buy two _____.A. T-shirts B. pairs of trousers C. pairs of shoes D. skirts 1.C 2.D 3.A 4.D 5.C 【解析】这是一个商店的商品以及价格。 1.根据表格中的价格及商品可以看出帽子最便宜；故选C 2.根据 skirt red, white ￥68 hat black, red ￥26 可知两条裙子136美元，三个帽子78美元；共214美元；故选D 3.根据表格中商品及颜色...